How is lymphoma diagnosed?

Written by Liu Liang
Oncology
Updated on May 21, 2025
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Most lymphoma patients initially present with painless swelling of superficial lymph nodes. The first examination typically includes an ultrasound of these superficial lymph nodes. If the ultrasound suggests a high probability of malignancy, a lymph node excision biopsy can be performed. A lymph node excision biopsy and subsequent pathological confirmation is the gold standard for diagnosing lymphoma. Furthermore, it is common for lymphoma patients to undergo PET-CT scans, which are used to determine the stage at initial diagnosis and to assess the effectiveness of treatment after therapy.

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Can people with lymphoma eat lamb?

Patients with lymphoma do not have any specific dietary restrictions, unlike traditional Chinese medicine, which refers to certain "heaty" foods that should be avoided. In Western medicine, as long as the diet is nutritionally balanced, including meat, protein, vegetables, and fruits, it fulfills the requirements of a balanced and comprehensive nutrition. The aim is to enhance the patient's immune system. There are no specific foods that are forbidden, so foods like lamb and beef can be consumed by lymphoma patients.

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Causes of Malignant Lymphoma

The causes of malignant lymphoma are the result of multiple factors. First, it is associated with infections by bacteria or viruses, such as the well-documented chronic infection with Helicobacter pylori, which is closely related to the occurrence of lymphoma associated with the gastric mucosa. Second, immunodeficiency conditions, like in AIDS patients or those who have been taking immunosuppressive drugs for a long period, have a higher likelihood of developing malignant lymphoma compared to the general population. Third, chemical or physical factors, such as environmental carcinogens and electromagnetic radiation, can also lead to malignant lymphoma. Other factors, such as long-term use of certain drugs like phenytoin or pseudoephedrine, and a genetic predisposition, can also be causes of malignant lymphoma.

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Oncology
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What is lymphoma?

Lymphoma refers to a type of malignant tumor that originates in the lymph nodes or extranodal tissues or organs. It is clinically categorized into two main types: Hodgkin's lymphoma and non-Hodgkin's lymphoma. Furthermore, it can be subdivided into many different pathological types. Among these, diffuse large B-cell lymphoma is the most common type in China, and there are dozens of different pathological types. The pathological type of the lymphoma determines its malignancy level, prognosis, chemotherapy regimen options, and treatment methods, all of which can vary significantly.

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Oncology
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Lymphoma fever symptoms

Patients with lymphoma commonly exhibit symptoms such as fever, clinically referred to as B symptoms. Some patients may also experience additional B symptoms such as fatigue, sweating, or weight loss. Patients displaying these B symptoms generally have a poorer prognosis. Furthermore, lymphoma patients typically experience fever more frequently in the afternoon or evening, usually presenting with a low-grade fever. If the condition of a lymphoma patient is not controlled, their fever symptoms will recur repeatedly. Only when the condition is under control will there be an alleviation of fever symptoms. Anti-inflammatory drugs are not effective in these cases.

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Oncology
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Are all lymphomas malignant?

Tumors can be benign or malignant; malignant tumors are commonly referred to as cancer. Lymphoma, because it originates from lymph nodes or tissues or organs outside the lymph nodes, is a type of malignant tumor, and thus it is called lymphoma. All lymphomas are malignant; there are no benign lymphomas. However, based on specific pathological types, lymphomas are classified into two main categories: non-Hodgkin lymphoma and Hodgkin lymphoma, but all lymphomas are malignant.